Scientists have been warning about global warming for decades. It's too late to stop it now, but we can lessen its severity and impacts.

Unless we are willing to encourage our children to reconnect with and appreciate the natural world, we can't expect them to help protect and care for it.

If all humans disappeared today ,the earth would start improving tomorrow.If all the ants disappeared today ,the earth would start dying tomorrow.

Change is never easy, and it often creates discord, but when people come together for the good of humanity and the Earth, we can accomplish great things.

If one day I look out from my cabin's porch and see a row of windmills spinning in the distance, I won't curse them. I will praise them. It will mean we are finally getting somewhere.

If we pollute the air, water and soil that keep us alive and well, and destroy the biodiversity that allows natural systems to function, no amount of money will save us.

In nature there is no such thing as waste. In nature nothing is wasted; everything is recycled.

How you imagine the world determines how you live in it.

Education has failed in a very serious way to convey the most important lesson science can teach: skepticism.

If we want to move towards a low-polluting, sustainable society, we need to get consumers to think about their purchases.

Debating the best way to do something we shouldn't be doing in the first place is a sure way to end up in the wrong place.

The poorest man around is not the fellow without a bank coin to his name, but the soul without the right information to orchestrate for himself the right future.

He wore the memory of her embrace like armor, and though he knew it would not save his life, it would be all that was left to him to ease his passage into whatever lay beyond.

No, Carolyn, you can’t petition PETA to get a waiver from dissecting the frog. The frog’s already dead. It donated itself to science. Don’t let its sacrifice be in vain. -Brandon

Feel free to listen, feel free to stare.

We are the voices of the wandering wind, Which moan for rest and rest can never find; Lo! as the wind is so is mortal life, A moan, a sigh, a sob, a storm, a strife.

You can't teach people anything. You can only draw out.

I have never known anyone important enough to consume me in anger beyond a few hours. Better to depart their existence before they poison your own.

The republic stands for truth and honour. For all that is noblest in our race. By truth and honour, principle and sacrifice alone will Ireland be free.

Self-criticism, cruel, unsparing criticism that goes to the very root of the evil, is life and breath for the proletarian movement.

If beauty is only skin deep, look really, really hard.